/*默认将外边距和内边距清空*/
* {
    margin: 0;
    padding: 0;
}

.justify-content-center {
    display: flex;
    justify-content: center;
}

.justify-content-start {
    display: flex;
    justify-content: flex-start;
}

.justify-content-between {
    display: flex;
    justify-content: space-between;
}

.align-items-center {
    display: flex;
    align-items: center;
}

.align-items-end {
    display: flex;
    align-items: flex-end;
}
.flex-wrap-wrap{
    display: flex;
    flex-wrap: wrap;
}
.flex-wrap-nowrap{
    display: flex;
    flex-wrap: nowrap;
}
.width-200 {
    width: 200px;
}

.width-150 {
    width: 150px;
}

.width-100 {
    width: 100px;
}

.width-1000 {
    width: 1000px;
}

.width-1200 {
    width: 1200px;
}

/*----------------------------边框开始------------------*/
.border {
    border: 1px solid red;
}

.border-red {
    border: 1px solid red;
}

.border-blue {
    border: 1px solid blue;

}

.border-top-white {
    border-top: 1px solid white;
    width: 100px;
}

.border-top-black {
    border-top: 1px solid black;
    width: 100px;
}

/*----------------------边框结束-------------------------*/
.single-over {
    /*多余的隐藏*/
    overflow: hidden;
    /*以。。。表示*/
    text-overflow: ellipsis;
    /*不换行*/
    white-space: nowrap;
}

/*多行溢出*/
.many-over-2 {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    text-overflow: ellipsis;
    -webkit-line-clamp: 2;
    overflow: hidden;
}

.many-over-3 {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    text-overflow: ellipsis;
    -webkit-line-clamp: 3;
    overflow: hidden;
}

.many-over-5 {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    text-overflow: ellipsis;
    -webkit-line-clamp: 5;
    overflow: hidden;
}


.margin-20 {
    margin: 20px;
}

/*----------------字体设置开始------------*/
.font-title {
    color: black;
    font-family: 黑体;
    font-size: 25px;
}

.font-content {
    color: gray;
    font-family: 新宋体;
    font-size: 20px;
}

/*----------------字体设置结束------------*/